nds32_tlb.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
/***************************************************************************
 *   Copyright (C) 2013 Andes Technology                                   *
 *   Hsiangkai Wang <hkwang@andestech.com>                                 *
 ***************************************************************************/
 
#ifndef OPENOCD_TARGET_NDS32_TLB_H
#define OPENOCD_TARGET_NDS32_TLB_H
 
#include "nds32.h"
 
enum {
    PAGE_SIZE_4K = 0,
    PAGE_SIZE_8K,
    PAGE_SIZE_NUM,
};
 
struct page_table_walker_info_s {
 
    uint32_t l1_offset_mask;
    uint32_t l1_offset_shift;
    uint32_t l2_offset_mask;
    uint32_t l2_offset_shift;
    uint32_t va_offset_mask;
    uint32_t l1_base_mask;
    uint32_t l2_base_mask;
    uint32_t ppn_mask;
};
 
extern int nds32_probe_tlb(struct nds32 *nds32, const target_addr_t virtual_address,
        target_addr_t *physical_address);
extern int nds32_walk_page_table(struct nds32 *nds32, const target_addr_t virtual_address,
        target_addr_t *physical_address);
 
#endif /* OPENOCD_TARGET_NDS32_TLB_H */